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How to factor a polynomial with four terms by grouping: 20ay - 10ax + 42by - 21bx

How to factor a polynomial with four terms by grouping: 20ay - 10ax + 42by - 21bx
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3 votes
How to factor a polynomial with four terms by grouping:
20ay - 10ax + 42by - 21bx

User Bapusaheb Shinde
by
8.6k points

1 Answer

4 votes
= 10a(2y-x) + 21b(2y-x)
=(2y-x)(10a+21b)
User Ulver
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